Hyundai Ioniq (AE): Hybrid Motor Control System / Motor Control Unit(MCU). Repair procedures

Hyundai Ioniq (AE) 2017-2022 Service & Repair Manual / Hybrid Motor System / Hybrid Motor Control System / Motor Control Unit(MCU). Repair procedures

Removal
   
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MCU is integrated with HPCU. Therefore, to install / remove the MCU, follow the procedure for installing / removing the HPCU.
(Refer to Hybrid Control System - "HPCU (Hybrid Power Control Unit)".)
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You need to perform resolver compensation whenever the engine, HPCU, drive motor, or starter generator (HSG) is replaced, removed, or reinstalled.
Perform compensation according to the GDS motor / HSG resolver compensation procedure shown below.
GDS Motor/HSG Resolver Compensation Procedure

    Diagram System CircuitA high-capacity power module is applied to the two high-voltage motors.The power module consists of a high - speed switching circuit that is isolated from the IGBT and DIODE circuits.

    Description• To efficiently control the drive motor, you need to know the absolute location of a motor rotor (permanent magnet).• Resolver detects the absolute location of the motor rotor.

    Other information:

    Hyundai Ioniq (AE) 2017-2022 Service & Repair Manual: Blower Motor. Repair procedures

    Inspection1.Connect the battery voltage and check the blower motor rotation.2.If the blower motor does not operate well, substitute with a known-good blower motor and check for proper operation.3.Replace the blower motor if it is proved that there is a problem with it.

    Hyundai Ioniq (AE) 2017-2022 Service & Repair Manual: Description and operation

    Cruise ControlThe cruise control system is engaged by the cruise "ON/OFF" main switch located on right of steering wheel column. The system has the capability to cruise, coast, accelerate and resume speed.It also has a safety interrupt, engaged upon depressing brake or shifting select lever.

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